snakekeylogger | cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e

General

Target

Icsmcwcw.exe
Size

22KB
MD5

3c68b70b369230bfc695f391be176da9
SHA1

46c464f0d1cffeadcdd93c6c86c288860089c78a
SHA256

cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e
SHA512

5bf26ecaadd2831f798ffaa899508f9621b261959540656c93e5b0d51af74e566157fc9f5fa3e9be4f5a24cb701c690bc8b2e72291f412399bd1710a240d0efc
SSDEEP

384:MUTTskJkdw5HKWNPnbn+b/AeH9F9wGjEnAtNCSGFqU9:/5EwYqPbn+rLXiiEnuCLFqU9

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6563963046:AAGlyBHZ_ALQCHnOUZcYa0FHqP2za43gVaM/sendMessage?chat_id=5262627523

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2728-9-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger
behavioral2/memory/2728-13-0x000001BDDD750000-0x000001BDDD760000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Icsmcwcw.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sssssss = "C:\\Users\\Admin\\AppData\\Roaming\\sssssss.exe"	Icsmcwcw.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

55 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Icsmcwcw.exe

description pid process target process

PID 4272 set thread context of 2728 4272 Icsmcwcw.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

2728 MSBuild.exe
2728 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Icsmcwcw.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 4272 Icsmcwcw.exe
Token: SeDebugPrivilege 2728 MSBuild.exe

flow	ioc
55	checkip.dyndns.org

description	pid	process	target process
PID 4272 set thread context of 2728	4272	Icsmcwcw.exe	MSBuild.exe

pid	process
2728	MSBuild.exe
2728	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4272	Icsmcwcw.exe
Token: SeDebugPrivilege	2728	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Icsmcwcw.exe

description	pid	process	target process
PID 4272 wrote to memory of 2728	4272	Icsmcwcw.exe	MSBuild.exe
PID 4272 wrote to memory of 2728	4272	Icsmcwcw.exe	MSBuild.exe
PID 4272 wrote to memory of 2728	4272	Icsmcwcw.exe	MSBuild.exe
PID 4272 wrote to memory of 2728	4272	Icsmcwcw.exe	MSBuild.exe
PID 4272 wrote to memory of 2728	4272	Icsmcwcw.exe	MSBuild.exe
PID 4272 wrote to memory of 2728	4272	Icsmcwcw.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Icsmcwcw.exe
"C:\Users\Admin\AppData\Local\Temp\Icsmcwcw.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4272

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2728-14-0x000001BDDD6C0000-0x000001BDDD710000-memory.dmp

Filesize
320KB

Download
memory/2728-11-0x00007FF9A6420000-0x00007FF9A6EE1000-memory.dmp

Filesize
10.8MB

Download
memory/2728-17-0x000001BDDD750000-0x000001BDDD760000-memory.dmp

Filesize
64KB

Download
memory/2728-16-0x00007FF9A6420000-0x00007FF9A6EE1000-memory.dmp

Filesize
10.8MB

Download
memory/2728-9-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/2728-15-0x000001BDF62E0000-0x000001BDF64A2000-memory.dmp

Filesize
1.8MB

Download
memory/2728-13-0x000001BDDD750000-0x000001BDDD760000-memory.dmp

Filesize
64KB

Download
memory/4272-6-0x00007FF9A6420000-0x00007FF9A6EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4272-4-0x00000195E1ED0000-0x00000195E1F06000-memory.dmp

Filesize
216KB

Download
memory/4272-7-0x00000195E1F70000-0x00000195E1F80000-memory.dmp

Filesize
64KB

Download
memory/4272-12-0x00007FF9A6420000-0x00007FF9A6EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4272-1-0x00007FF9A6420000-0x00007FF9A6EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4272-0-0x00000195C7A40000-0x00000195C7A4C000-memory.dmp

Filesize
48KB

Download
memory/4272-5-0x00000195E1F10000-0x00000195E1F5C000-memory.dmp

Filesize
304KB

Download
memory/4272-3-0x00000195C9650000-0x00000195C9698000-memory.dmp

Filesize
288KB

Download
memory/4272-2-0x00000195E1F70000-0x00000195E1F80000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads